Part B Coding Coach: 94640: Take This Quick Short-Interval Inhalation Therapy Quiz to Aid Your Coding

Why This Topic Matters

These services are easy to confuse because they can involve overlapping procedural, educational, and evaluation components. Understanding the scope of the article helps coders identify when the discussion centers on separate services, bundled services, or related diagnosis linkage.

Article Sections

1. Quiz scenarios

   Introduces three short case scenarios involving inhalation therapy, patient instruction, and spirometry-related testing. The section frames the coding questions explored later in the article.

2. Quiz solutions

   Provides the article's answer format and general discussion of how the examples are resolved. It sets up the more detailed explanations that follow.

3. Don't Limit CPT® to 94640 When E/M Is Identifiable

   Discusses the first scenario and the relationship between an office visit and inhalation therapy. It also addresses the separate discussion of patient instruction and the use of diagnosis linkage in the example.

4. Overrule 94640, 94664 Edits With Modifier 59

   Covers the second scenario involving inhalation treatment and patient demonstration/evaluation on the same day. The section explains the article's discussion of payer edits, documentation, and Medicare-related pairing concerns.

5. Bundle 94060 Into Spirometry Test

   Addresses the third scenario involving bronchodilation responsiveness testing and its relationship to inhalation treatment. The section also mentions bundled services, office visit considerations, and associated drug billing in a private office setting.